Comment: Cf. also Lezg. erg. req̇i, Arch. loc. deq̇I:u. Obl. base *riq̇I:ɨ-, cf. Rut. rɨqI:ɨ- and (with vowel levelling) Lezg. req̇i-, Tab. raqI:u-, Ag. raqI:u-, Tsakh. jaqI:ɨ-. 3d class in Rut., Tsakh. and Arch.
See Лексика 1971, 142; Гигинейшвили 1977, 109; Талибов 1980, 264.